As a first step to redesigning the InlineEngagement component we should split the sidebar and the reactions into two separate pills. For context, this is what the new inline engagement component is supposed to look like:
This diff begins to break the chat height measurement, as such this diff and subsequent diffs won't be landed until the rest of the native inline engagement work w/ correct height measurement is completed
Linear Task: https://linear.app/comm/issue/ENG-3103/update-inlineengagement-for-native
Depends on D8496